Editing Module:File link

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-- This module provides a library for formatting file wikilinks.
+
local image = {}
  
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local yesno = require('Module:Yesno')
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function image.new()
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local checkType = require('libraryUtil').checkType
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local obj, data = {}, {}
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+
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local p = {}
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function data:name(s)
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self.theName = s
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function p._main(args)
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end
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checkType('_main', 1, args, 'table')
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function data:format(s, filename)
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-- This is basically libraryUtil.checkTypeForNamedArg, but we are rolling our
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local validFormats = {
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-- own function to get the right error level.
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thumb = true,
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local function checkArg(key, val, level)
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thumbnail = true,
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if type(val) ~= 'string' then
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frame = true,
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error(string.format(
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framed = true,
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"type error in '%s' parameter of '_main' (expected string, got %s)",
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frameless = true
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key, type(val)
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}
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), level)
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if validFormats[s] then
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self.theFormat = s
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self.theFormatFilename = filename
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else
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error('invalid format')
 
end
 
end
 
end
 
end
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local ret = {}
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function data:width(px)
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self.theWidth = px
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-- Adds a positional parameter to the buffer.
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end
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local function addPositional(key)
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local val = args[key]
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function data:height(px)
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if not val then
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self.theHeight = px
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return nil
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end
 +
 +
function data:upright(factor)
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self.isUpright = true
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self.uprightFactor = factor
 +
end
 +
 +
function data:resetSize()
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for i, field in ipairs{'theWidth', 'theHeight', 'isUpright', 'uprightFactor'} do
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self[field] = nil
 
end
 
end
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checkArg(key, val, 4)
 
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ret[#ret + 1] = val
 
 
end
 
end
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-- Adds a named parameter to the buffer. We assume that the parameter name
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function data:location(s)
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-- is the same as the argument key.
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local validLocations = {
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local function addNamed(key)
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right = true,
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local val = args[key]
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left = true,
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if not val then
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center = true,
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return nil
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none = true
 +
}
 +
if s and validLocations[s] then
 +
self.theLocation = s
 +
else
 +
error(string.format(
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"bad argument #1 to 'image:location'"
 +
.. " (must be one of 'right', 'left', 'center' or 'none'; got '%s').",
 +
tostring(s)
 +
))
 
end
 
end
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checkArg(key, val, 4)
 
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ret[#ret + 1] = key .. '=' .. val
 
 
end
 
end
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+
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-- Filename
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function data:alignment(s)
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checkArg('file', args.file, 3)
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local validAlignments = {
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ret[#ret + 1] = 'File:' .. args.file
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baseline = true,
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middle = true,
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-- Format
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sub = true,
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if args.format then
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super = true,
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checkArg('format', args.format)
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['text-top'] = true,
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if args.formatfile then
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['text-bottom'] = true,
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checkArg('formatfile', args.formatfile)
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top = true,
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ret[#ret + 1] = args.format .. '=' .. args.formatfile
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bottom = true
 +
}
 +
if s and validAlignments[s] then
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self.theAlignment = s
 
else
 
else
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ret[#ret + 1] = args.format
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error(string.format(
 +
"bad argument #1 to 'data:alignment'"
 +
))
 
end
 
end
 
end
 
end
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+
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-- Border
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function data:border()
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if yesno(args.border) then
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self.hasBorder = true
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ret[#ret + 1] = 'border'
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end
 +
 +
function data:link(s)
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self.theLink = s
 +
end
 +
 +
function data:alt(s)
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self.theAlt = s
 
end
 
end
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+
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addPositional('location')
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function data:caption(s)
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addPositional('alignment')
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self.theCaption = s
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addPositional('size')
 
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addNamed('upright')
 
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addNamed('link')
 
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addNamed('alt')
 
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addNamed('page')
 
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addNamed('class')
 
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addNamed('lang')
 
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addNamed('start')
 
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addNamed('end')
 
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addNamed('thumbtime')
 
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addPositional('caption')
 
−
 
 
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return string.format('[[%s]]', table.concat(ret, '|'))
 
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end
 
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function p.main(frame)
 
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local origArgs = require('Module:Arguments').getArgs(frame, {
 
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wrappers = 'Template:File link'
 
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})
 
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if not origArgs.file then
 
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error("'file' parameter missing from [[Template:File link]]", 0)
 
 
end
 
end
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+
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-- Copy the arguments that were passed to a new table to avoid looking up
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function data:render()
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-- every possible parameter in the frame object.
 
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local args = {}
 
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for k, v in pairs(origArgs) do
 
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-- Make _BLANK a special argument to add a blank parameter. For use in
 
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-- conditional templates etc. it is useful for blank arguments to be
 
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-- ignored, but we still need a way to specify them so that we can do
 
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-- things like [[File:Example.png|link=]].
 
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if v == '_BLANK' then
 
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v = ''
 
−
end
 
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args[k] = v
 
 
end
 
end
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return p._main(args)
+
 +
return obj
 
end
 
end
  
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return p
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return image

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